Enjuvia Patent Expiration

Enjuvia is a drug owned by Aspen Pharma Usa Inc. It is protected by 2 US drug patents filed in 2013 out of which all have expired. Based on its patents and exclusivities, its generic launch date is estimated to be Mar 08, 2021. Details of Enjuvia's patents and their expiration are given in the table below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
These drug patents focus on the other aspects of the drug like dosage, mode of administration (oral, tablet, capsules, liquids etc).
US6660726 Estrogenic compounds, pharmaceutical compositions thereof, and methods of using same
Mar, 2021

(3 years ago)

Expired
US6855703 Pharmaceutical compositions of conjugated estrogens and methods of analyzing mixtures containing estrogenic compounds
Feb, 2021

(3 years ago)

Expired


A patent's expiry date may change depending upon legal activities going on that patent. Critical activities like abandoning of a patent, term extension of a patent or amendment of its claims can increase or decrease the life of a patent hence affecting its expiry date and in turn affecting the generic launch date of that drug. Tracking these ongoing activities on a patent application helps to keep an eye on the latest developments in the patent process of the drug which can give an idea of how early a drug's generic could be available. The next section provides a list of recent legal activities on Enjuvia's patents.

Given below is the list of recent legal activities going on the following patents of Enjuvia.

Activity Date Patent Number
Patent litigations
Post Issue Communication - Certificate of Correction 12 May, 2004 US6660726
Patent Issue Date Used in PTA Calculation 09 Dec, 2003 US6660726
Recordation of Patent Grant Mailed 09 Dec, 2003 US6660726
Issue Notification Mailed 20 Nov, 2003 US6660726
Receipt into Pubs 27 Oct, 2003 US6660726
Mail Response to 312 Amendment (PTO-271) 23 Oct, 2003 US6660726
Application Is Considered Ready for Issue 23 Oct, 2003 US6660726
Response to Amendment under Rule 312 23 Oct, 2003 US6660726
Receipt into Pubs 20 Oct, 2003 US6660726
Workflow - File Sent to Contractor 25 Aug, 2003 US6660726


While patent expiration is one way of estimating the generic date of a drug, if a patent gets invalidated somehow, the generic of the drug may arrive early. Being aware of all relevant patents can help in avoiding legal pitfalls. Given below are details of the litigation history of Enjuvia and ongoing litigations to help you estimate the early arrival of Enjuvia generic.

Enjuvia's Litigations

Enjuvia been subject to various legal proceedings, including patent litigations. The earliest legal proceeding was initiated on Mar 12, 2003, against patent number US6855703. The petitioner , challenged the validity of this patent, with Edward N Hill et al as the respondent. Click below to track the latest information on how companies are challenging Enjuvia's patents.

Last updated on November 19, 2024
Patent Proceeding Filing Date Status Respondent Petitioner
Patent litigations
US6855703 March, 2003 Decision
(11 Feb, 2004)
Edward N Hill et al

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US patents provide insights into the exclusivity only within the United States, but Enjuvia is protected by patents in multiple countries. Understanding the full scope of patent protection is crucial in strategizing market entry. By looking at the broader patent landscape, you can identify markets with weaker patent protection which could be ideal generic entry points. The following section offers details on Enjuvia's family patents as well as insights into ongoing legal events on those patents.

Enjuvia's Family Patents


Family Patents

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Generic Launch

Generic Release Date:

Enjuvia's generic launch date based on the expiry of its last outstanding patent is estimated to be Mar 08, 2021 (This date is subject to change depending upon the patent filing activities by the drug owner or exclusivity additions to its drug application)

Enjuvia Generics:

There are no approved generic versions for Enjuvia as of now.

Alternative Brands for Enjuvia

Enjuvia which is used for managing symptoms of menopause, including vaginal dryness, pain during intercourse, and vasomotor symptoms., has several other brand drugs in the same treatment category . Given below is the list of those companies and their brand drugs, to help you identify new opportunities, assess competitors, and plan your market strategies more effectively.

Drug Owner Drug Name Treatment Area
Apil
Femtrace Used for treating vasomotor symptoms associated with menopause.
Duchesnay
Osphena used for treating symptoms of urogenital atrophy, dyspareunia, and vaginal dryness associated with menopause.
Sebela Ireland Ltd
Brisdelle Used for managing moderate to severe vasomotor symptoms associated with menopause.
Wyeth Pharms
Duavee used for management of menopausal symptoms and prevention of osteoporosis.





About Enjuvia

Enjuvia is a drug owned by Aspen Pharma Usa Inc. It is used for managing symptoms of menopause, including vaginal dryness, pain during intercourse, and vasomotor symptoms. Enjuvia uses Estrogens, Conjugated Synthetic B as an active ingredient. Enjuvia was launched by Aspen in 2004.

Approval Date:

Enjuvia was approved by FDA for market use on 20 December, 2004.

Active Ingredient:

Enjuvia uses Estrogens, Conjugated Synthetic B as the active ingredient. Check out other Drugs and Companies using Estrogens, Conjugated Synthetic B ingredient

Treatment:

Enjuvia is used for managing symptoms of menopause, including vaginal dryness, pain during intercourse, and vasomotor symptoms.

Dosage:

Enjuvia is available in tablet form for oral use. Given below is detailed information on Dosage -

Strength Dosage Form Availability Application Pathway
0.45MG TABLET Discontinued ORAL
1.25MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons** TABLET Discontinued ORAL
0.3MG TABLET Discontinued ORAL
0.9MG TABLET Discontinued ORAL
0.625MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons** TABLET Discontinued ORAL